Meira Jr, E. B. de S., Rizzo, H., Benesi, F. J. and Gregory, L. (2009) “Influence of age and sex on total serum protein and albumin and aspartato-aminotransferase and gama-glutamiltransferase serum activities on Santa Inês sheep”, Brazilian Journal of Veterinary Research and Animal Science, 46(6), pp. 448-454. doi: 10.11606/S1413-95962009000600003.